Enrich big contact lists with verified emails automatically

flowchart TD trig(["scheduled batch enrichment run"]):::trigtime s0[("Pull batch of contacts")]:::store s1[["Send contact details to service"]]:::mi s2["Receive verified emails"]:::svc s3[("Write emails back to record")]:::store trig --> s0 s0 -->|"one per each contact in the batch"| s1 s1 --> s2 gx{"× did the lookup succeed"}:::gate s2 --> gx p00["Write email to record"]:::task gx -->|"Lookup succeeded"| p00 p10["Alert team via message"]:::task gx -->|"Lookup failed"| p10 p00 --> s3 p10 --> s3 out[/"contact records with verified emails"/]:::out pay{{"sales team reaches more leads"}}:::pay s3 --> out out --> pay esc(("Alerts a person")):::human s2 -. "if it fails" .-> esc esc -.-> out classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff